Prepare against Jan Krejci
GM · Czechia · World #565 classical · FIDE ID 322156
Our database contains 1,516 games by Jan Krejci, covering Oct 2003 to Jul 2026. Below you'll find Jan Krejci's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Krejci before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,503 | 2,588 | Apr 2019 |
| Rapid | 2,479 | 2,542 | Dec 2016 |
| Blitz | 2,416 | 2,523 | Dec 2013 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,516 | 645 | 604 | 267 | 42.5% |
| As White | 778 | 360 | 300 | 118 | 46.3% |
| As Black | 738 | 285 | 304 | 149 | 38.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Krejci's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Krejci's side.
First moves as White (778 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 351 | 45.1% | 61.8% |
| d4 | 275 | 35.3% | 68.0% |
| Nf3 | 75 | 9.6% | 67.3% |
| c4 | 74 | 9.5% | 70.9% |
| g3 | 3 | 0.4% | 100.0% |
Main lines as White
- 1.e4 — 45% of White games, 61.8% score
- …c5 (46% of these games) — Krejci usually continues Nf3 (61.2% score)
- …e5 (28% of these games) — Krejci usually continues Nf3 (62.5% score)
- …e6 (7% of these games) — Krejci usually continues d4 (67.3% score)
- 1.d4 — 35% of White games, 68.0% score
- …Nf6 (64% of these games) — Krejci usually continues c4 (69.2% score)
- …d5 (24% of these games) — Krejci usually continues c4 (67.6% score)
- …e6 (6% of these games) — Krejci usually continues c4 (67.9% score)
As Black against 1.e4 (366 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 216 | 59.0% | 57.6% |
| c5 | 133 | 36.3% | 63.2% |
| d5 | 9 | 2.5% | 72.2% |
| e6 | 4 | 1.1% | 87.5% |
| c6 | 3 | 0.8% | 50.0% |
| d6 | 1 | 0.3% | 50.0% |
As Black against 1.d4 (228 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 142 | 62.3% | 64.8% |
| d5 | 86 | 37.7% | 54.7% |
Jan Krejci's chess games
All 1,516 games by Jan Krejci in the Chess.ceo database (Oct 2003 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 645 wins, 604 draws, 267 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 58 | 21/19/18 | 36.2% |
| D35 | Indian Defense | 57 | 31/23/3 | 54.4% |
| D46 | Slav Defense | 57 | 26/27/4 | 45.6% |
| C88 | Ruy Lopez: Closed | 46 | 15/26/5 | 32.6% |
| B90 | Sicilian: Najdorf | 39 | 17/12/10 | 43.6% |
| E61 | King's Indian Defense | 38 | 21/12/5 | 55.3% |
| E42 | Nimzo-Indian: Rubinstein System | 35 | 16/17/2 | 45.7% |
| A13 | English Opening | 26 | 10/14/2 | 38.5% |
| B33 | Sicilian: Sveshnikov | 16 | 10/4/2 | 62.5% |
| B12 | Caro-Kann: Advance Variation | 13 | 7/2/4 | 53.8% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 76 | 29/29/18 | 38.2% |
| C99 | Ruy Lopez: Closed | 72 | 28/30/14 | 38.9% |
| D14 | Slav Defense | 62 | 19/28/15 | 30.6% |
| A46 | Indian Defense | 49 | 22/21/6 | 44.9% |
| A13 | English Opening | 33 | 13/14/6 | 39.4% |
| B48 | Sicilian: Taimanov | 31 | 19/9/3 | 61.3% |
| C42 | Petrov's Defense | 29 | 4/14/11 | 13.8% |
| C55 | Italian Game | 26 | 13/9/4 | 50.0% |
| A22 | English Opening: Reverse Sicilian | 19 | 9/8/2 | 47.4% |
| E11 | Catalan | 19 | 8/8/3 | 42.1% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2012 | Viktor Laznicka | 2,693 | Hustopece Open | B49 |
| Apr 2024 | David Anton Guijarro | 2,673 | chT-CZE 2324 | C96 |
| Mar 2019 | Mateusz Bartel | 2,600 | 1st Prague Challengers | E16 |
| Sep 2021 | Thai Dai Van Nguyen | 2,594 | ch-CZE | D45 |
| Jul 2017 | Jiri Stocek | 2,590 | 28th Pardubice Czech Open A | A28 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-CZE | 2025 | 107 | 66.5 | 2,537 |
| ch-CZE U20 | 2012 | 33 | 24.5 | 2,438 |
| Ceske Budejovice | 2017 | 27 | 13 | 2,424 |
| ch-CZE U18 | 2009 | 22 | 17.5 | 2,410 |
| ch-EU blitz | 2017 | 19 | 12 | 2,394 |
| ch-CZE U16 | 2008 | 18 | 14 | 2,323 |
| Frydek Mistek GM | 2016 | 18 | 10 | 2,480 |
| Nachod Open | 2012 | 18 | 14.5 | 2,529 |
Frequent opponents
Head-to-head records: Jiri Stocek (17 games) · Jaroslav Bures (16 games) · Vojtech Plat (16 games) · Pavel Simacek (15 games) · Tomas Polak (14 games) · Richard Jr. Biolek (13 games) · Cyril Ponizil (13 games) · Vojtech Rojicek (11 games)
Interactive opening tree from all 1,516 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Krejci's chess games?
1,516 games by Jan Krejci, from Oct 2003 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Jan Krejci has played.
What does Jan Krejci play on the first move as White?
Across 778 games with White in our database, Jan Krejci opens with 1.e4 (45% of games), 1.d4 (35% of games), 1.Nf3 (10% of games). Against 1.e4 as Black, Jan Krejci answers 1...e5 (59% of games), 1...c5 (36% of games), 1...d5 (2% of games). Against 1.d4: 1...Nf6 (62% of games), 1...d5 (38% of games).
What openings does Jan Krejci play as White?
As White, Jan Krejci's most-played openings in our database are: Sicilian (58 games, 36.2% win rate); Indian Defense (57 games, 54.4% win rate); Slav Defense (57 games, 45.6% win rate). The full breakdown of 778 games with White is in the table above.
What openings does Jan Krejci play as Black?
As Black, Jan Krejci most often plays: Sicilian (76 games, 38.2% win rate); Ruy Lopez: Closed (72 games, 38.9% win rate); Slav Defense (62 games, 30.6% win rate). See the table above for the top ten Black openings across 738 games.
What is Jan Krejci's FIDE rating?
Jan Krejci is currently rated 2,503 in classical chess, 2,479 in rapid and 2,416 in blitz. Peak classical rating: 2,588 (Apr 2019).
How many games has Jan Krejci played?
Our database contains 1,516 games by Jan Krejci, covering Oct 2003 to Jul 2026. Overall record: 645 wins, 604 draws, 267 losses (42.5% win rate).
How do I prepare against Jan Krejci?
1,516 games by Jan Krejci reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.